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Which nerve block wins for hysterectomy pain?

NCT ID NCT05656872

Symptom relief Sponsor: Cairo University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compared two ultrasound-guided nerve blocks for pain after open hysterectomy: the transversus abdominis plane (TAP) block and the ilioinguinal-iliohypogastric (IIH) block. 42 adults having elective surgery were randomly assigned to one block. The main goal was to see which block delayed the need for rescue pain medication longer. The study also measured total painkiller use and pain scores.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
nerve block procedure
What this could lead to
If one nerve block proves better, it could improve pain control after hysterectomy and reduce the need for strong painkillers.
What could go wrong
This is a small, completed study with only 42 participants. Results may not apply to all patients or surgeries, and nerve blocks carry rare risks like infection or bleeding.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

42 people

The number who actually took part.

Started

Nov 2022

Finished

Apr 2023

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

35 to 65 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Participants will be adult patients (35-65 years) * ASA I-III * Scheduled for elective open TAH Exclusion Criteria: * Patient refusal * BMI \> 40 kg·m-² * Pregnancy * Chronic pain requiring daily analgesics * Any known allergy to local anesthetic, nalbuphine, paracetamol, or diclofenac * Patients with neurological, psychological disorders or those lacking cooperation * Patients with anatomic abnormalities at site of injection, skin lesions or wounds at site of proposed needle insertion. * Patients with bleeding disorders defined as (INR \>2) and/ or (platelet count \<100,000/µL) * Patients with hepatic disease e.g. liver cell failure or hepatic malignancy or hepatic enlargement

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Conditions

The condition(s) this trial relates to.

Pain, Postoperative

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Postoperative pain

Contacts and locations

Locations

  • Faculty of Medicine, Cairo University

    Cairo, Cairo Governorate, Egypt

  • Mohamed Ollaek

    Cairo, Egypt

More trials for these conditions

Other studies related to the condition(s) this trial covers.